Product display device



FIG. 1 is a front perspective view of a product display device showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a back side elevational view thereof.

The broken line showing of the top portion of the product display device and the product, is included for the purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a product display device, as shown and described. 